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RER Al/Ac 4.8x55+RDØ40+Ent.38

Generic code   275538

  • Metal coupling: galvanised washer Ø40 mounted with aluminium spacer + natural steel/aluminium open-end rivet Ø4.8 for 40 mm thick insulation.
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Applications

  • Pre-assembled system for fixing waterproofing (bituminous coating with semi-rigid insulation) on perforated or punctured steel tray.

Advantages

  • This single-piece pre-assembled system increases productivity when fitting the sealing on the perforated or punctured steel roofing panel.
  • Ensures "solid on pitch".
  • Prevents perforation of the waterproof coating.
  • Prevents crushing of the insulation.
  • Rivet end on the underside: Aesthetic and non blunt.
  • The lacquered rivet body is finished and discreet if the underside of the substrate is visible.
  • No loosening possible.

Technical characteristics

Maximum clamping capacity 40  mm
Type of installation of waterproofing Traditional mechanical installation
Spacer length 38  mm
Support drilling diameter 5.05  mm
Outside body diameter 40  mm
Content Standard non-waterproof rivet + Spacer + Spreader washer pre-assembled.
Laquering Natural body
Waterproofing complex Bitumen
Semi-rigid insulation
Type of steel sheet Perforated or punctured metal sheet
Resistance to corrosion 15 Kesternich cycles
Diameter on thread 4.8  mm
External diameter of the spacer 8  mm
Spacer material Aluminum
Length 55  mm
Width 40  mm
Thickness 0.8  mm
Pre-drilling With pre-drilling
5 features on 17
See all the offer RER Al/Ac 4.8x55+RDØ40+Ent.38

Article codes

Sold by case of 500 pieces

Designation Article codes Color label Quantity
RER Al/Ac 4.8x55+RDØ40+Ent.38 275538000

Our program of screws and lacquered accessories offers more than 2000 colors for our roofing / cladding / facade applications. Discover the width of our color palette with our lacquering expertise.


Recommendation advice

  • The choice of fastening will depend on the type of sealing medium and the classification of the premises according to their hygrometry and the indoor environment.

Regulations and approvals

  • In accordance with the ETA 08 0239 coupling fixings sealing.
  • In accordance with the e-notebook of CSTB 3563: Wind - Mechanically fixed roof sealing systems.
  • In accordance with DTU 43. 3: Roofing work with ribbed steel sheets with waterproof coatings.
  • Conventional test method for step strengh characteristic for fasteners according to the standard NF P 30-317.
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